MOTION UNDER GRAVITY
MOTION IN A STRIGHT LINE

269739 Astoneisdropped from a certain height which can reach the ground in 5 s. It is stopped momentarily after \(3 \mathrm{~s}\) and then it is again released. The total time taken by the stone to reach the ground will be

1 \(6 \mathrm{~s}\)
2 \(6.5 \mathrm{~s}\)
3 \(7 \mathrm{~s}\)
4 \(7.5 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269777 Two stonesarethrown vertically upwards with the samevelocity of \(49 \mathrm{~m} / \mathrm{s}\). If they are thrown one after the other with a time lapse of 3 second, height at which they collide is

1 \(58.8 \mathrm{~m}\)
2 \(111.5 \mathrm{~m}\)
3 \(117.6 \mathrm{~m}\)
4 \(122.5 \mathrm{~m}\)
MOTION IN A STRIGHT LINE

269755 A freely falling body takes '\(t\) ' second to travel first \((1 / x)^{\text {th }}\) distance. Then, time of descent is

1 \(\frac{t}{\sqrt{x}}\)
2 \(t \sqrt{x}\)
3 \(\frac{\sqrt{x}}{t}\)
4 \(\frac{1}{t \sqrt{x}}\)
MOTION IN A STRIGHT LINE

269756 The distance travelled by a body during last second of its upward journey is '\(d\) ', when the body isprojected with certain velocity vertically up. If the velocity of projection isdoubled, the distance traveled by the body during the last second of itsupward journey is

1 \(2 d\)
2 \(4 d\)
3 \(d / 2\)
4 \(d\)
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MOTION IN A STRIGHT LINE

269739 Astoneisdropped from a certain height which can reach the ground in 5 s. It is stopped momentarily after \(3 \mathrm{~s}\) and then it is again released. The total time taken by the stone to reach the ground will be

1 \(6 \mathrm{~s}\)
2 \(6.5 \mathrm{~s}\)
3 \(7 \mathrm{~s}\)
4 \(7.5 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269777 Two stonesarethrown vertically upwards with the samevelocity of \(49 \mathrm{~m} / \mathrm{s}\). If they are thrown one after the other with a time lapse of 3 second, height at which they collide is

1 \(58.8 \mathrm{~m}\)
2 \(111.5 \mathrm{~m}\)
3 \(117.6 \mathrm{~m}\)
4 \(122.5 \mathrm{~m}\)
MOTION IN A STRIGHT LINE

269755 A freely falling body takes '\(t\) ' second to travel first \((1 / x)^{\text {th }}\) distance. Then, time of descent is

1 \(\frac{t}{\sqrt{x}}\)
2 \(t \sqrt{x}\)
3 \(\frac{\sqrt{x}}{t}\)
4 \(\frac{1}{t \sqrt{x}}\)
MOTION IN A STRIGHT LINE

269756 The distance travelled by a body during last second of its upward journey is '\(d\) ', when the body isprojected with certain velocity vertically up. If the velocity of projection isdoubled, the distance traveled by the body during the last second of itsupward journey is

1 \(2 d\)
2 \(4 d\)
3 \(d / 2\)
4 \(d\)
MOTION IN A STRIGHT LINE

269739 Astoneisdropped from a certain height which can reach the ground in 5 s. It is stopped momentarily after \(3 \mathrm{~s}\) and then it is again released. The total time taken by the stone to reach the ground will be

1 \(6 \mathrm{~s}\)
2 \(6.5 \mathrm{~s}\)
3 \(7 \mathrm{~s}\)
4 \(7.5 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269777 Two stonesarethrown vertically upwards with the samevelocity of \(49 \mathrm{~m} / \mathrm{s}\). If they are thrown one after the other with a time lapse of 3 second, height at which they collide is

1 \(58.8 \mathrm{~m}\)
2 \(111.5 \mathrm{~m}\)
3 \(117.6 \mathrm{~m}\)
4 \(122.5 \mathrm{~m}\)
MOTION IN A STRIGHT LINE

269755 A freely falling body takes '\(t\) ' second to travel first \((1 / x)^{\text {th }}\) distance. Then, time of descent is

1 \(\frac{t}{\sqrt{x}}\)
2 \(t \sqrt{x}\)
3 \(\frac{\sqrt{x}}{t}\)
4 \(\frac{1}{t \sqrt{x}}\)
MOTION IN A STRIGHT LINE

269756 The distance travelled by a body during last second of its upward journey is '\(d\) ', when the body isprojected with certain velocity vertically up. If the velocity of projection isdoubled, the distance traveled by the body during the last second of itsupward journey is

1 \(2 d\)
2 \(4 d\)
3 \(d / 2\)
4 \(d\)
MOTION IN A STRIGHT LINE

269739 Astoneisdropped from a certain height which can reach the ground in 5 s. It is stopped momentarily after \(3 \mathrm{~s}\) and then it is again released. The total time taken by the stone to reach the ground will be

1 \(6 \mathrm{~s}\)
2 \(6.5 \mathrm{~s}\)
3 \(7 \mathrm{~s}\)
4 \(7.5 \mathrm{~s}\)
MOTION IN A STRIGHT LINE

269777 Two stonesarethrown vertically upwards with the samevelocity of \(49 \mathrm{~m} / \mathrm{s}\). If they are thrown one after the other with a time lapse of 3 second, height at which they collide is

1 \(58.8 \mathrm{~m}\)
2 \(111.5 \mathrm{~m}\)
3 \(117.6 \mathrm{~m}\)
4 \(122.5 \mathrm{~m}\)
MOTION IN A STRIGHT LINE

269755 A freely falling body takes '\(t\) ' second to travel first \((1 / x)^{\text {th }}\) distance. Then, time of descent is

1 \(\frac{t}{\sqrt{x}}\)
2 \(t \sqrt{x}\)
3 \(\frac{\sqrt{x}}{t}\)
4 \(\frac{1}{t \sqrt{x}}\)
MOTION IN A STRIGHT LINE

269756 The distance travelled by a body during last second of its upward journey is '\(d\) ', when the body isprojected with certain velocity vertically up. If the velocity of projection isdoubled, the distance traveled by the body during the last second of itsupward journey is

1 \(2 d\)
2 \(4 d\)
3 \(d / 2\)
4 \(d\)